package com.lanou3g.demo.exception;

import org.springframework.stereotype.Component;
import org.springframework.web.servlet.HandlerExceptionResolver;
import org.springframework.web.servlet.ModelAndView;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

@Component
public class Error implements HandlerExceptionResolver {

    @Override
    public ModelAndView resolveException(HttpServletRequest request, HttpServletResponse response, Object handler, Exception ex) {
        ex.printStackTrace();
        BaseException baseException = null;
        ModelAndView mv = new ModelAndView();
        if (ex instanceof BaseException) {
            baseException = (BaseException) ex;
        } else {
            baseException = new BaseException("服务器开小差了");
        }
        String error = baseException.getMessage();
        mv.setViewName("error");
        return mv;
    }
}
